Original and resized images are in the subdirectory original-size/ .
Here comes the copyright information for tag icons:
* Location_France_EU_Europe:
http://upload.wikimedia.org/wikipedia/commons/2/28/Location_France_EU_Europe.png
"I, Quizimodo, the copyright holder of this work, hereby releases it into the public domain.
This applies worldwide."
* french:
Copyright (C) 2009 Luca Saiu
derived from Location_France_EU_Europe. GPLv3 or later
* gimp:
Copyright by the Gimp authors.
Copyright Luca Saiu 2013 (added white border)
Taken from the Gimp 2.8.6 source tarball, as data/images/wilber.png
According to the LICENSE file in the tarball the icon is GPL (they say
that any file without a different license notices is GPL by default, in
the Gimp distribution).
* english:
Copyright (C) 2009 Luca Saiu
derived from Location_France_EU_Europe. GPLv3 or later
* earth:
http://en.wikipedia.org/wiki/File:The_Earth_seen_from_Apollo_17.jpg
Work of US government employees (NASA), plublic domain.
* hacking:
http://en.wikipedia.org/wiki/File:Glider.svg
By Eric Raymond, public domain
* angle-brackets:
Copyright (C) 2009 Luca Saiu
GPLv3 or later.
* lambda:
Copyright (C) 2009 Luca Saiu
GPLv3 or later.
* parentheses:
Copyright (C) 2009 Luca Saiu
GPLv3 or later.
* epsilon:
Copyright (C) 2009 Luca Saiu
GPLv3 or later.
* myself:
Copyright (C) 2009 Luca Saiu
GPLv3 or later.
* gnu:
http://www.gnu.org/graphics/heckert_gnu.html
By Aurelio A. Heckert
* gnu-linux:
http://www.gnu.org/graphics/bwcartoon.html
FSF, either GPLv2+ or GFDL1.1+
* guile:
http://www.gnu.org/graphics/guile-logo.html
By Martin Grabmüller, either GPLv3+ or GFDLv1.2+
* hurd:
http://www.gnu.org/graphics/ahurdlogo.html
By Stephen McCaman
* linux:
http://commons.wikimedia.org/wiki/File:Tux.png
By Larry Ewing
The copyright holder of this file allows anyone to use it for any purpose, provided that you
acknowledge lewing@isc.tamu.edu and The GIMP if someone asks.
* fsm*:
Modified by me (Luca Saiu), based on http://en.wikipedia.org/wiki/File:FSM_Logo.svg ,
which was released into the public domain by the author.
I also release my updated versions into the public domain.
* bananas:
Modified by me (Luca Saiu), based on http://en.wikipedia.org/wiki/File:Banana_and_cross_section.jpg ,
which was released under the GFDL (1.2 only) by the auhtor.
Hence I also release my updated versions under the GFDL 1.2 (only, unfortunately).
* emacs:
emacs.svg: from the Emacs 23 distribution:
Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.,
under the GPL.
* feed:
feed.xcf: converted http://commons.wikimedia.org/wiki/File:Feed-icon.svg,
tri-licensed under Mozilla's MPL / GNU GPL / GNU LGPL.
* speculation:
speculation.xcf: derived by me (Luca Saiu) from a public domain image at
http://en.wikipedia.org/wiki/File:Sanzio_01_Plato_Aristotle.jpg . I hereby
also release my updated version into the public domain.